feat: support reviver on JSON.parse (#5926)

WillianAgostini · jasonsaayman · web-flow · commit 2a9763426e43 · 2025-08-12T09:34:42.000+02:00
* test: test to support reviver on JSON.parse * feat: support reviver for JSON.parse on parse response data #5924 --------- Co-authored-by: Jay <jasonsaayman@gmail.com>
diff --git a/index.d.ts b/index.d.ts
@@ -361,6 +361,7 @@ export interface AxiosRequestConfig<D = any> {
   lookup?: ((hostname: string, options: object, cb: (err: Error | null, address: LookupAddress | LookupAddress[], family?: AddressFamily) => void) => void) |
       ((hostname: string, options: object) => Promise<[address: LookupAddressEntry | LookupAddressEntry[], family?: AddressFamily] | LookupAddress>);
   withXSRFToken?: boolean | ((config: InternalAxiosRequestConfig) => boolean | undefined);
+  parseReviver?: (this: any, key: string, value: any) => any;
   fetchOptions?: Omit<RequestInit, 'body' | 'headers' | 'method' | 'signal'> | Record<string, any>;
 }
 
diff --git a/lib/defaults/index.js b/lib/defaults/index.js
@@ -111,7 +111,7 @@ const defaults = {
       const strictJSONParsing = !silentJSONParsing && JSONRequested;
 
       try {
-        return JSON.parse(data);
+        return JSON.parse(data, this.parseReviver);
       } catch (e) {
         if (strictJSONParsing) {
           if (e.name === 'SyntaxError') {
diff --git a/test/unit/adapters/http.js b/test/unit/adapters/http.js
@@ -2332,4 +2332,22 @@ describe('supports http with nodejs', function () {
       }, /ENOTFOUND/);
     });
   });
+
+  describe('JSON', function() {
+    it('should support reviver on JSON.parse', async function () {
+      server = await startHTTPServer(async (_, res) => {
+        res.end(JSON.stringify({
+          foo: 'bar'
+        }));
+      });
+
+      const {data} = await axios.get(LOCAL_SERVER_URL, {
+        parseReviver: (key, value) => {
+          return key === 'foo' ? 'success' : value;
+        },
+      });
+
+      assert.deepStrictEqual(data, {foo: 'success'});
+    });
+  });
 });

Original file line number	Diff line number	Diff line change
`@@ -361,6 +361,7 @@ export interface AxiosRequestConfig<D = any> {`
`361`	`361`	`lookup?: ((hostname: string, options: object, cb: (err: Error \| null, address: LookupAddress \| LookupAddress[], family?: AddressFamily) => void) => void) \|`
`362`	`362`	`((hostname: string, options: object) => Promise<[address: LookupAddressEntry \| LookupAddressEntry[], family?: AddressFamily] \| LookupAddress>);`
`363`	`363`	`withXSRFToken?: boolean \| ((config: InternalAxiosRequestConfig) => boolean \| undefined);`
	`364`	`+ parseReviver?: (this: any, key: string, value: any) => any;`
`364`	`365`	`fetchOptions?: Omit<RequestInit, 'body' \| 'headers' \| 'method' \| 'signal'> \| Record<string, any>;`
`365`	`366`	`}`
`366`	`367`